Base | Representation |
---|---|
bin | 110100010000… |
… | …111011001101 |
3 | 221210001222112 |
4 | 310100323031 |
5 | 12001411223 |
6 | 1205353405 |
7 | 224312030 |
oct | 64207315 |
9 | 27701875 |
10 | 13700813 |
11 | 7808695 |
12 | 4708865 |
13 | 2ab91b9 |
14 | 1b69017 |
15 | 1309778 |
hex | d10ecd |
13700813 has 8 divisors (see below), whose sum is σ = 15771840. Its totient is φ = 11658240.
The previous prime is 13700809. The next prime is 13700833. The reversal of 13700813 is 31800731.
It is a happy number.
13700813 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13700813 - 22 = 13700809 is a prime.
13700813 is a modest number, since divided by 813 gives 137 as remainder.
13700813 is strictly pandigital in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13700833) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6068 + ... + 8013.
It is an arithmetic number, because the mean of its divisors is an integer number (1971480).
Almost surely, 213700813 is an apocalyptic number.
It is an amenable number.
13700813 is a deficient number, since it is larger than the sum of its proper divisors (2071027).
13700813 is a wasteful number, since it uses less digits than its factorization.
13700813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14227.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 13700813 is about 3701.4609277959. The cubic root of 13700813 is about 239.2849841856.
The spelling of 13700813 in words is "thirteen million, seven hundred thousand, eight hundred thirteen".
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